Quick answers
- Which hospitals does Alexander S. Lee work at?
- Medicare's official clinician data lists Alexander S. Lee at 4 hospitals: Chino Valley Medical Center, La Palma Intercommunity Hospital, Montclair Hospital Medical Center and San Dimas Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander S. Lee see patients?
- Medicare's clinician data lists 5 practice locations, including Fountain Valley, CA, San Dimas, CA and Long Beach, CA. Call before your visit to confirm the address.
- What is Alexander S. Lee's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Alexander S. Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander S. Lee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Alexander S. Lee?
- (714) 549-1300, as listed in official Medicare / NPI Registry data.
- What is Alexander S. Lee's NPI number?
- 1083658884. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander S. Lee works
Medicare's Facility Affiliation Data lists Alexander S. Lee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chino Valley Medical CenterChino, CA · Acute Care Hospital · CCN 050586
- La Palma Intercommunity HospitalLa Palma, CA · Acute Care Hospital · CCN 050580
- Montclair Hospital Medical CenterMontclair, CA · Acute Care Hospital · CCN 050758
- San Dimas Community HospitalSan Dimas, CA · Acute Care Hospital · CCN 050588
Practice locations
Addresses where Alexander S. Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 11420 Warner AveFountain Valley, CA 92708 (714) 549‑1300
- 1350 W Covina BlvdSan Dimas, CA 91773 (909) 599‑6811
- 2110 N Bellflower BlvdLong Beach, CA 90815 (562) 346‑2222
- 5000 San Bernardino StMontclair, CA 91763 (909) 625‑5411
- 5451 Walnut AveChino, CA 91710 (909) 625‑5411
Group practices
Medicare enrollment lists Alexander S. Lee as a member of these groups (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
- Ignite Emergency Physicians a Medical Corporation45 clinicians in the group
- San Dimas Emergency Medical Associates Inc.10 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083658884 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians